> diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
> index 8a549db..1f70aec 100644
> --- a/drivers/block/pktcdvd.c
> +++ b/drivers/block/pktcdvd.c
> @@ -57,6 +57,7 @@
> #include <linux/seq_file.h>
> #include <linux/miscdevice.h>
> #include <linux/freezer.h>
> +#include <linux/smp_lock.h>
> #include <linux/mutex.h>
> #include <linux/slab.h>
> #include <scsi/scsi_cmnd.h>
> @@ -2762,10 +2763,12 @@ out_mem:
> static int pkt_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg)
> {
> struct pktcdvd_device *pd = bdev->bd_disk->private_data;
> + int ret;
>
> VPRINTK("pkt_ioctl: cmd %x, dev %d:%d\n", cmd,
> MAJOR(bdev->bd_dev), MINOR(bdev->bd_dev));
>
> + lock_kernel();
> switch (cmd) {
> case CDROMEJECT:
> /*
> @@ -2783,12 +2786,14 @@ static int pkt_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
> case CDROM_LAST_WRITTEN:
> case CDROM_SEND_PACKET:
> case SCSI_IOCTL_SEND_COMMAND:
> - return __blkdev_driver_ioctl(pd->bdev, mode, cmd, arg);
> + ret = __blkdev_driver_ioctl(pd->bdev, mode, cmd, arg);
> + break;
>
> default:
> VPRINTK(DRIVER_NAME": Unknown ioctl for %s (%x)\n", pd->name, cmd);
> - return -ENOTTY;
> + ret = -ENOTTY;
> }
> + unlock_kernel();
>
> return 0;
> }
You are loosing the return result here in the two error situations above.
Initialise ret to 0 and return ret seems the easy way to do it.
The rest looked ok - I only looked at the patches.
Sam
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